Ming Lei 491beed3b1 genirq/affinity: Create affinity mask for single vector ... Since commit c66d4bd110 ("genirq/affinity: Add new callback for (re)calculating interrupt sets"), irq_create_affinity_masks() returns NULL in case of single vector. This change has caused regression on some drivers, such as lpfc. The problem is that single vector requests can happen in some generic cases: 1) kdump kernel 2) irq vectors resource is close to exhaustion. If in that situation the affinity mask for a single vector is not created, every caller has to handle the special case. There is no reason why the mask cannot be created, so remove the check for a single vector and create the mask. Fixes: c66d4bd110 ("genirq/affinity: Add new callback for (re)calculating interrupt sets") Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20190805011906.5020-1-ming.lei@redhat.com		2019-08-08 08:47:55 +02:00
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affinity.c	genirq/affinity: Create affinity mask for single vector	2019-08-08 08:47:55 +02:00
autoprobe.c	genirq: Delay deactivation in free_irq()	2019-07-03 10:12:28 +02:00
chip.c	Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2019-07-08 11:22:57 -07:00
cpuhotplug.c	genirq: Delay deactivation in free_irq()	2019-07-03 10:12:28 +02:00
debug.h
debugfs.c	treewide: Switch printk users from %pf and %pF to %ps and %pS, respectively	2019-04-09 14:19:06 +02:00
devres.c	genirq/devres: Use struct_size() in devm_kzalloc()	2019-04-16 21:54:03 +02:00
dummychip.c
generic-chip.c
handle.c	treewide: Switch printk users from %pf and %pF to %ps and %pS, respectively	2019-04-09 14:19:06 +02:00
internals.h	Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2019-07-08 11:22:57 -07:00
ipi.c
irq_sim.c
irqdesc.c	Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2019-07-08 11:01:13 -07:00
irqdomain.c	irq/irqdomain: Fix comment typo	2019-07-06 10:40:20 +02:00
Kconfig	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
Makefile	genirq/timings: Add selftest for circular array	2019-06-12 10:47:04 +02:00
manage.c	Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2019-07-08 11:22:57 -07:00
matrix.c
migration.c
msi.c
pm.c
proc.c
resend.c
settings.h
spurious.c	treewide: Switch printk users from %pf and %pF to %ps and %pS, respectively	2019-04-09 14:19:06 +02:00
timings.c	genirq/timings: Add selftest for next event computation	2019-06-12 10:47:05 +02:00